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                                            grfrost

[Bounty $50] Inconsistent results between GPU and CPU when integers overflow.

My guess is that savaskoc is correct. I think that the GPU OpenCL runtime does not support long. Aparapi will detect this for doubles, surprised it does not detect this...

[Bounty $50] Inconsistent results between GPU and CPU when integers overflow.

Actually, I was about to retract ;) from the 1.0 spec https://www.khronos.org/registry/cl/sdk/1.0/docs/man/xhtml/scalarDataTypes.html it does not look like cl_long is optional. So now I think I will blame Aparapi. My guess...

[Bounty $50] Inconsistent results between GPU and CPU when integers overflow.

On my macbook pro the following yields the same error. ```Bash clang++ -framework OpenCL longtst.cpp -o longtst ``` ```C++ #include #ifdef __APPLE__ #include #else #include #endif #define DATA_SIZE 1 #define...

[Bounty $50] Inconsistent results between GPU and CPU when integers overflow.

BTW If I switch to use CPU device the above code yields the correct result. So yes I think there is an OpenCL runtime GPU issue here Retina 15 inch...